Posts with #linux

Tue, August 1, 2023

Let's add an opcode to io-uring

I wanted to find out how far copy-pasting stuff would take me. Turns out, not that far at all. But I still learned something. And hey, it's all about the journey, right?

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Fri, August 25, 2023

Adding `fallocate()` to MinixFS

Just because no one asked for it, doesn't mean I shouldn't do it.

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Sat, July 29, 2023

Testing custom kernels with QEMU: A (mostly) complete guide (July 2023)

Step by step, from zero to running a VM

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